Welding mask



FIG. 1 is a front, right, and top perspective view of a welding mask, showing my design.

FIG. 2 is a front, right and bottom perspective view thereof.

FIG. 3 is a rear, left, and bottom perspective view thereof.

FIG. 4 is a front elevation view thereof.

FIG. 5 is a rear elevation view thereof.

FIG. 6 is a left side elevation view thereof.

FIG. 7 is a right side elevation view thereof.

FIG. 8 is a top plan view thereof.

FIG. 9 is a bottom plan view thereof; and,

FIG. 10 is a partial enlarged view of an area labeled 10 in FIG. 1 comprising an adjusting knob.

The broken lines shown in the drawings are included for the purpose of illustrating portions of the welding mask that form no part of the claimed design. 

CLAIM The ornamental design for a welding mask, as shown and described. 